Ball-pitman



(No Model.)

G. I'. MBSSINGBR.:

BALL PITMAN.

Nm z'am. Patented June 5,1883.

54M fjywwwm Attorneys I UNITED STATES G. FRANK MESSINGER, 4OFSTOCKERTOVVN, .PENNSYLYANIA.

BALL-PITMAN. y

SPECIFICATION forming part of Letters Patent No. 278,812, dated June 5,1883.

Application filed January 11,1883. V(No model.) v

To all whom it may concern Be it known that I, G. FRANK MnssiNcER, acitizen ofthe United States, residing at Stockertown, in the county ofNorthampton and State of Pennsylvania, have invented certain new anduseful Improvements in Ball-Pitmen,

of which the following is a specication, refer! ence being had drawings.

My invention relates to ball-pitmen, and it consists in providing theball and its shank with a central longitudinal opening adapted toreceive oil for lubricating the exterior of the ball, the supply beingregulated by the longitudinal adjustment of the spherical boX containingthe ball, all of which will be more fullyhereinafter described, andpointed out in the claims.

ln the accompanying drawings, Figure l represents a side elevation ofthe crank-wheel, box, and pitman-head, a fragment of the pitman-rodbeing shown in dotted lines. Fig. 2 is a side elevation of thecrank-wheel, the pitman-head, box, bolts, and ball being shown insection, as perline y y, Fig. 3. Fig. 3 is a vertical section takenthroughthe line :v of Fig. 2.

Similar letters refer to similar parts throughout the several views.

A is the crank-wheel on the end ofthe shaft B.

C is the shank of ball D. D is a spherical opening in ball D, havingcommunicating openings E and F.

.G is an opening in the side of shank C, which communicates with openingE.

H is a plug lling the end of an opening in the periphery of wheel A.Said opening registers with opening G.

I is a plug in the rear end of opening E.

J is the boX, consisting Aof parts J J2.

K is the pitmairhead formed integral with the half-box J2.

L is the fragment of the pitman-rod, secured to the threaded recess ofthe head K.

M M are bolts having nuts N lN, said bolts passing through openings inthe lugs on the top and bottom of boX J, whereby said boX is secured tothe ball. llhe openings in the lugs therein to the accompanying on .Il2or pitinan-head part are threaded and engage the threads on the bolts.

The object of my improvement is to lubricate `the ball-joint, providemeans for carrying a f ATENT FFiCEO-f goodly supply of oil, and alsomeans for regu- A lating the distribution thereof.

The device is operated as follows: After the parts have been connectedand the bolts M M screwed in the lugs, so as to draw the box parts J J 2closely together, the plug H should be removed and oil poured throughthe opening G until the openings F, D, and E are full. The plug H shouldthen be replaced. Then, by slightly loosening the bolts M M andrevolving the wheel A, the outer surface of the ball will becomethoroughly lubricated, and the oil passing out of the opening F aroundthe eXte- .rior of the ball. Vhen it is desired to lessen the iiow ofoil, the bolts should be tightened. By slightly tightening the bolts theiiow is only partially checked; but by tightening them to a degree thatwill draw the two parts J J 2 closely together the flow may be whollystopped. When the pitman is notA in operation the flow may be thus cutoff, and when service is resumed the bolts may be loosened to admit therequisite supply. It will thus be seen that by the longitudinaladjustment o f the box parts J J 2 von the threaded bolts vM `M the flowof oil may be v regulated or wholly stopped.

Having thus described my invention and set forth its advantages, I claimas new and desire to secure by Letters Patentl. A hollow ball and shank,the shank being plugged in the rear and provided with a side opening, incombination with a box, longitudinally adjustable, as set forth.

2. A crank-wheel provided with a ball-crank and shank, said ball andshank having an opening extending through longitudinally, the shankbeing also provided with a side opening communicating with an opening inthe periphery of the wheel, whereby the longitudinal openings in thecrank and ball may be iilled with oil when the ends thereof are closed,in the manner specified.

3. A crank-wheel provided with a shank and ball-crank, said shank andball having a longitudinal communicating opening, the rear end oftheshank-opening being plugged, said openings being adapted to contain oil,the side of the shank having an opening which communicates with theopening in the periphery of the wheel', in combinationywith atwo-partboxprovided with means for its longitudinal adjust- IOO ment, wherebyTthe lubricating ow of oil is regulated.

4.- A hollow ball-crank and shank, said shank being plugged at its rearend and provided Y with a feed-opening communicating with an opening inthe opening of the crank-wheel, the ball having :t Hat-mouthed opening,which conrmunicates with the inside opening in the ball,

whereby an oil space is formed betweenA the mouth of the ball andencircling box, substantially as specified.

5. The combination of the pitlnan-head K, box J, hollow crank D, shankC, and wheel A on shaft B, the shank C being provided with a centralrear-plugged opening communicating with the opening in the ball, and aside openingl communicating with an opening in the periphery ofthewheel, substantially as described, and for the purposes specified.

6. The hollow shank C, provided with the hollow ball D, the outersurface of the connecting part of said shank being bevel, in combi-Witnesses:

J No. L. XVILsoN, GEO. FIN-LEY.

